Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	456	1081
2011	Feb	460	862
2011	Mar	481	945
2011	Apr	537	811
2011	May	544	840
2011	Jun	571	875
2011	Jul	521	824
2011	Aug	544	852
2011	Sep	479	746
2011	Oct	547	822
2011	Nov	772	1192
2011	Dec	514	724
2011	all	4617	10574